document.write( "Question 150375: 1. Consider the polynomial f(x)= x^3 + 6x^2 –9x-14\r
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document.write( "Find all of the zeros of the given polynomial. Test all possibilities. \r
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document.write( "2. If y varies inversely as x and y = 0.6 when x = 10, find y when x = 12.
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Algebra.Com's Answer #110329 by stanbon(75887) ![]() You can put this solution on YOUR website! Consider the polynomial f(x)= x^3 + 6x^2 –9x-14 \n" ); document.write( "Find all of the zeros of the given polynomial. Test all possibilities. \n" ); document.write( "-------- \n" ); document.write( "the possibilities are all the factors of -14, both positive and negative. \n" ); document.write( "Use snythetic division to test values: \n" ); document.write( "1)....1....6....-9....-14 \n" ); document.write( "........1...7.....-2..|..-16 ---So 1 is not a zero \n" ); document.write( "-7)....1....6....-9....-14 \n" ); document.write( ".......1.....-1..-2...|..0 ----/So -7 is a zero \n" ); document.write( "Other zeroes are x = -1 and x = 2 \n" ); document.write( "----------------------------------------- \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2. If y varies inversely as x and y = 0.6 when x = 10, find y when x = 12. \n" ); document.write( "y = k/x \n" ); document.write( "Find \"k\": \n" ); document.write( "0.6 = k/10 \n" ); document.write( "k = 6 \n" ); document.write( "--------- \n" ); document.write( "Equation: y = 6/x \n" ); document.write( "Find y when x = 12 \n" ); document.write( "y = 6/12 \n" ); document.write( "y = 1/2 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |